Chemistry Unit 0-1 Practice Problems

Front

Convert 523 grams to kilograms.

Back

.523 kg

Front

What type of data involves numbers that are obtained by counting or measuring?

Back

Quantitative

Front

The statement 'The coin weighs 2 grams' is an example of which type of observation?

Back

Quantitative

Front

Calculate 923 g ÷ 20312 cm³ and give your answer with the correct number of significant figures.

Back

0.0454 g/cm³

Front

What type of data involves descriptions that cannot be counted or measured?

Back

Qualitative

Front

Define quantitative data.

Back

Data that can be counted or measured, represented by numbers.

Front

Define qualitative data.

Back

Data that describes characteristics or qualities and cannot be counted or measured.

Front

What is the significance of significant figures in calculations?

Back

They indicate the precision of a measurement.

Front

How do you convert grams to kilograms?

Back

Divide the number of grams by 1000.

Front

What is the formula for density?

Back

Density = mass/volume.